Handheld exercise device



FIG. 1 is a perspective view of a first embodiment of a handheld exercise device, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view thereof looking from the left side;

FIG. 7 is a side elevational view thereof looking from the right side;

FIG. 8 is a perspective view of a second embodiment of a handheld exercise device, showing my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a side elevational view thereof looking from the left side; and,

FIG. 14 is a side elevational view thereof looking from the right side. 

The ornamental design for a handheld exercise device, as shown and described. 